Yokohama, Japan

Yoshifumi Hachisu

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Daiichi Sankyo Company, Limited. Active years: 2021-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Hachisu. Retrieved from https://idiyas.com/inventor/yoshifumi-hachisu

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

 

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Yokohama, JP (2021)
  • Yokohama-sh, JP (2023)

Company Filing History:


Years Active: 2021-2023

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshifumi Hachisu

Introduction

Yoshifumi Hachisu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemistry, particularly in the development of novel methods for producing specific chemical compounds. With a total of 2 patents to his name, Hachisu continues to push the boundaries of innovation in his field.

Latest Patents

Hachisu's latest patents focus on the production of 3,6-disubstituted imidazo[1,2-b]pyridazine derivatives. The first patent describes a novel and industrially useful method for producing this derivative using 6-fluoroimidazo[1,2-b]pyridazine as a starting material. This method employs an aromatic substitution reaction that utilizes C—H activation through palladium. The second patent reiterates this innovative approach, emphasizing its industrial applicability and efficiency.

Career Highlights

Yoshifumi Hachisu is currently associated with Daiichi Sankyo Company, Limited, where he applies his expertise in chemical synthesis and innovation. His work has been instrumental in advancing the company's research and development efforts in pharmaceuticals.

Collaborations

Hachisu collaborates with esteemed colleagues such as Ryoji Koike and Takafumi Kitawaki. Their combined efforts contribute to the success of their projects and the advancement of their field.

Conclusion

Yoshifumi Hachisu is a prominent figure in the realm of chemical innovation, with a focus on producing valuable chemical derivatives. His contributions through patents and collaborations highlight his commitment to advancing scientific knowledge and industrial applications.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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